Home / 1,117,560.45-1,542,780.14-749,906.05

Finding the Fourth Proportional to 1,117,560.45, 1,542,780.14 and 749,906.05

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Solution

The fourth proportional to 1,117,560.45, 1,542,780.14 and 749,906.05 is: 1,035,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,560.45 : 1,542,780.14 = 749,906.05 : x
  2. Step 2: Convert to fraction form
    1,117,560.45/1,542,780.14 = 749,906.05/x
  3. Step 3: Cross multiply
    1,117,560.45x = 1,542,780.14 × 749,906.05
  4. Step 4: Simplify right side
    1,117,560.45x = 1,156,940,160,805.85
  5. Step 5: Solve for x
    x = 1,156,940,160,805.85/1,117,560.45
  6. Step 6: Final answer
    x = 1,035,237.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.